Results 91 to 100 of about 2,719,329 (156)

Detecting photosynthetic algal pigments in natural populations using a high-spectral-resolution spectroradiometer

open access: yes, 2001
Reflectance data from a high spectral resolution spectroradiometer were obtained onboard a ship in Plymouth coastal waters. These data were analysed to detect algal photosynthetic accessory pigments for comparison with absorption spectra as measured in ...
Aguirre-Gomez, R.   +2 more
core   +1 more source

The identification by Raman microscopy and x-ray diffraction of iron-oxide pigments and of the red pigments found on Italian pottery fragments

open access: yes, 1998
The technique of Raman microscopy has been used to identify and characterise the pigments used in red shards of medieval and earlier items of pottery which have been found in various archaeological sites in the South of Italy. The research has led to the
Clark R. J. H., Curri M. L.
core   +1 more source

The Transformation of Pigment in Fruit Wine, Precise Control of Pigment Formation, and Their Effect on Product Quality

open access: yesFoods
Global fruit production is excessive, and fruit wine is a significant outcome of fruit processing. The pigment in fruit wine gives it a vibrant color and affects its quality, taste, and marketing.
Xiang Tan   +4 more
doaj   +1 more source

Investigation of tattoo pigments by Raman spectroscopy [PDF]

open access: yes, 2016
As a result of the increase in the practice of tattooing, the US Food and Drug Administration has identified a need for improved analytical methods to detect the pigments and potential impurities in the inks.
Perez-Gonzalez, Marianita   +3 more
core  

Automatic identification of artistic pigments by Raman spectroscopy using fuzzy logic and principal component analysis

open access: yes
This work offers an automatic identification system of Raman spectra of artistic pigments. The proposed methodology is based on a fuzzy logic system, and uses principal component analysis to reduce redundancies in data and the correlation operator as an ...
Castanys, M.   +2 more
core  

The Identification of Pigments Using Vibrational Spectroscopy

open access: yes, 2017
Vibrační spektroskopie je progresivní metoda, která umožňuje změření a následné uložení spekter pigmentů, které jsou obsaženy v barvách různého druhu a v různých typech materiálů.
Jasenský, Lukáš
core   +1 more source

Applications of visible spectral imaging technology for pigment identification of colored relics

open access: yesHeritage Science
Identifying pigments from colored relics is essential for their color restoration and for facsimile creation. A workflow for identifying pigment information is constructed based on visible spectral imaging technology, aligned with the drawing process of ...
Chun-ao Wei, Junfeng Li, Shiwei Liu
doaj   +1 more source

The study of influence of inorganic pigments on the identification of egg tempera by mass spectrometry

open access: yes, 2009
The aim of this diploma thesis is to find out in what way inorganic pigments influence the identification of egg and yolk tempera using mass spectrometry MALDITOF (matrix-assisted laser desorption/ionization time of flight).
Čámská, Lucie
core   +1 more source

Antimicrobial effect of Serratia marcescens Pigment on the Multi-Drug Resistance Klebsiella Pneumoniae Isolates from Burn Wounds

open access: yesArmaghane Danesh Bimonthly Journal, 2018
Background and Aim:With respect to the increasing of antibiotic resistance in pathogenic bacteria, identification of new antimicrobial compounds is necessary.
E Moazamian, A Emami
doaj  

On the carotenoid pigments in Indian prawns

open access: yes, 1976
Changes occurring in carotenoid pigments of prawns during different types of processing and storage has been a matter calling for a scientific solution for which knowledge of their fundamental nature is essential.
Balachandran, K.K.
core  

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